Window-screen.



N0. 808,090. PATENTED DEC. 26, 1905. R. W, IRWIN & J. DUFFY.

WINDOW SCREEN. APPLICATION FILED PEB.10,1905.

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UNITED STATES PATENT oEEIoE.

ROBERT W. IRWVIN AND JOHN DUFFY, OF GRAND RAPIDS, MICHIGAN, ASSIGNORS TO GRAND RAPIDS FURNITURE COMPANY, A CORPO- RATION OF MICHIGAN.

WINDOW-SCREEN.

Patented Dec. 26, 1905.

Application filed February 10, 1905. Serial No. 245,109.

To all whom it may concern:

Be it known that we, ROBERT W. IRWIN and JOHN DUFFY, citizens of the United States, residing at Grand Rapids, Michi an, have invented certain new and useful mprovements in WVindow-Screens, of which the following is a specification.

Our invention relates to that class of window-screens in which the screen is held in place by means of a fin, which yields to admit the screen to its place and is guided in the up and down movement of the screen by means of a guide fixed to the side of the window-casing.

We have sought in this invention to provide in an inexpensive and simple construction a screen readily and perfectly adaptable to thewindow, self-adjustable,and combined with a simple and cheap form of guide easily put in place and alined andof such form that it will not obstruct the window or have unsightly or objectionable projections and which may therefore be allowed to remain in place when the screens are not in use.

With these and other objects in view the invention includes the various features of construction hereinafter described, and particularly pointed out in the claims.

The invention is illustrated in the accompanying drawings, in which- Figure 1 is a front view with parts in section. Fig. 2 is an enlarged cross-section on line 2 2 of Fig. 1. Figs. 3 and 4 are detail views of one of the guide-plates.

Referring by reference characters to the drawings, in which the same or like parts are designated by the same characters, the numeral 4 designates the frame of a windowscreen from which the netting is omitted for convenience of illustration. Each vertical edge of the screen is provided with a groove in which is seated a metallic strip 5, which has a plurality of rods or stems 6 (preferably two, as shown) extending inward through openings in the frame. These rods or stems are preferably rigidly secured to the metallic strips and are threaded to receive nuts 7, having milled heads, by which they may be readily manipulated. One or both of'these strips maybe spring-pressed, and the springs 8 may conveniently be made of helical form and seated in cylindrical openings in the edge of the frame, each spring bearing at one end against the bottom of the opening and at its other end against the inner edge of the strip. Thus the strip will be pressed outward with a yielding pressure, and the distanceto which it may be forced out will be limited or regulated by the nuts 7.

It is not necessary that the strips on both sides be yieldingly held, and as a convenient means of holding one of them rigidly but adjustably we provide plates or clips 9, secured to the inner edge of the side member of the frame. Each plate or clip has a socket or recess 10, which receives the reduced part or neck 11 of the corresponding milled nut, and thus while permitting the nut to be turned to adjust the strip 5 in or out holds the same rigidly in its adjusted position.

A convenient and effective form of guide for the metallic strips is shown in detail in Figs. 3 and 4. This comprises a metallic plate 12, having means for securing it to the window-frame, and ribs or projections 13, between which the strip 5 is adapted to slide. These projections are preferably formed integral and by striking up the metal of the plate into two reversely-arranged arc-shaped ribs, as shown. The fastening means may also be formed integral with the plate by striking down or bending over portions to form tongues 14, adapted to be driven into the wood, though screw-holes 15 may also be provided, if desired. These guides form a very important feature of our invention. They are so small and may be so neatly made as not to attract any attention or in any way disfigure the window-casing when the screen is taken out. They may be made at such a low cost as not to enter at all into the price of the screen, being capable of being stamped out in large quantities by machinery with no waste of material. They may be quickly and easily applied by any householder, and they remain in perfect alinement, whereas the ordinary wooden tongue or strip is sure to warp and bind or break off sooner or later. As only metallic surfaces run in contact with each other, the screen moves freely and easily, and there is no wearing away of paint and exposure of wood to the action of the elements, as in most screens.

Having thus described our invention, what we claim is- 1. In a window-screen, the combination With the screen-frame, having a thin metallic strip or fin on its edge, of a plurality of metallic plates having means for attachment to the window-frame and having also guiding projections diverging I'rom each side of the center, substantially as described.

2. In a window-screen, the combination With the screen-frame having grooves in two of its opposite edges, of metallic strips seated in said grooves and having two sets threaded rods projecting through openings in the ame, spring means for forcing one set of rods outwardly, adjusting-nuts on all of said rods, clips engaging the nuts of the second set of rods, and guides for said metal strips, substantially as described.

3. The combination with a Window-screen having metallic side strips, of guide-plates having integral securing-pr0ngs, and integral projections to embrace the edges of said side strips, substantially as described.

4. A guide member for a Window-screen E. W. IRWIN, R. P. TRESTORT. 

